AU4454272A - Hydraulic impact absorbers - Google Patents

Hydraulic impact absorbers

Info

Publication number: AU4454272A
Authority: AU; Australia
Prior art keywords: hydraulic impact; impact absorbers; absorbers; hydraulic; impact
Prior art date: 1971-07-14
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

AU44542/72A

Inventor

Jean Herbert Willich

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

ThyssenKrupp Bilstein GmbH

Original Assignee

August Bilstein GmbH

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1971-07-14

Filing date

1972-07-13

Publication date

1974-01-17

1971-07-14 Priority claimed from DE19712135000 external-priority patent/DE2135000C3/en

1972-07-13 Application filed by August Bilstein GmbH filed Critical August Bilstein GmbH

1974-01-17 Publication of AU4454272A publication Critical patent/AU4454272A/en

Status Expired legal-status Critical Current

Links

239000006096 absorbing agent Substances 0.000 title 1

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/48—Arrangements for providing different damping effects at different parts of the stroke
- F16F9/486—Arrangements for providing different damping effects at different parts of the stroke comprising a pin or stem co-operating with an aperture, e.g. a cylinder-mounted stem co-operating with a hollow piston rod
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/26—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
- B60R19/32—Fluid shock absorbers, e.g. with coaxial coil springs
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3235—Constructional features of cylinders
- F16F9/3257—Constructional features of cylinders in twin-tube type devices
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
- F16F9/346—Throttling passages in the form of slots arranged in cylinder walls
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/10—Enclosure elements, e.g. for protection
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/20—Location of equilibration chamber

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Fluid-Damping Devices (AREA)

AU44542/72A 1971-07-14 1972-07-13 Hydraulic impact absorbers Expired AU4454272A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19712135000 DE2135000C3 (en)		1971-07-14	Impact absorbers for supporting bumpers on motor vehicles
DE2218952A DE2218952C3 (en)	1971-07-14	1972-04-19	Impact absorbers for supporting bumpers on motor vehicles

Publications (1)

Publication Number	Publication Date
AU4454272A true AU4454272A (en)	1974-01-17

Family

ID=25761419

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU44542/72A Expired AU4454272A (en)	1971-07-14	1972-07-13	Hydraulic impact absorbers

Country Status (10)

Country	Link
US (2)	US3797818A (en)
AU (1)	AU4454272A (en)
BR (1)	BR7204707D0 (en)
CA (1)	CA953320A (en)
DE (1)	DE2218952C3 (en)
FR (1)	FR2146083A5 (en)
GB (1)	GB1375751A (en)
SE (2)	SE367158B (en)
SU (1)	SU562218A3 (en)
ZA (1)	ZA724873B (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2178299A5 (en) *	1972-03-27	1973-11-09	Peugeot & Renault
DE2237914A1 (en) *	1972-08-02	1974-02-21	Bilstein August Fa	SHOCK ABSORBER
DE2404706C3 (en) *	1974-02-01	1980-05-22	Fichtel & Sachs Ag, 8720 Schweinfurt	Hydropneumatic impact damper
US3879075A (en) *	1974-03-19	1975-04-22	Gulf & Western Mfg Co	Energy absorbing bumper guard
US4474267A (en) *	1979-06-25	1984-10-02	Holland Company	Method of hydraulically damping railway car body roll
US4245563A (en) *	1979-06-25	1981-01-20	Empson Kenneth G	Hydraulically damped railway car body roll
US4257581A (en) *	1979-07-25	1981-03-24	Keeler Corporation	Impact absorbing strut
US4789192A (en) *	1985-12-20	1988-12-06	General Motors Corporation	Two-stage variable orifice energy absorber with cylinder cap having radially fixed blow out orifice
FR2633994B1 (en) *	1988-07-08	1991-05-31	Salomon Sa	HYDRAULIC SHOCK ABSORBER
DE3901449C1 (en) *	1989-01-19	1990-02-01	Boge Ag, 5208 Eitorf, De
US5511759A (en) *	1994-05-26	1996-04-30	Steelcase, Inc.	Hydraulic chair height adjustment mechanism
DE4427009C2 (en) *	1994-07-29	1997-12-18	Metzeler Gimetall Ag	Impact absorber
FR2742505B1 (en)	1995-12-13	1998-11-27	Jean Perret Ets	DAMPER
IT1304247B1 (en) *	1998-12-03	2001-03-13	Marzocchi Spa	SHOCK ABSORBER OR TELESCOPIC SUSPENSION, OF THE HYDRAULIC OR HYDROPNEUMATIC TYPE, WITH BUILT-IN COMPENSATOR, LOW-DIMENSION, OF
US6402128B1 (en) *	2000-01-31	2002-06-11	The Goodyear Tire And Rubber Company	Air spring with lateral restraint and axial control
US6695104B2 (en) *	2000-12-27	2004-02-24	Osman Akad	Reusable impact energy absorbing device
US7921974B2 (en) *	2005-11-29	2011-04-12	Fox Factory, Inc.	Damping cylinder with annular bladder
US9073592B2 (en) *	2011-10-12	2015-07-07	Jung Yu Hsu	Height adjustable seat tube with oil storage unit
CN108662070B (en) *	2017-03-27	2021-03-12	青岛海尔滚筒洗衣机有限公司	Damping system and washing machine including the same
DE102018219605A1 (en) *	2018-07-07	2020-01-09	Robert Bosch Gmbh	Bremssystemdämpfvorrichtung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1234311A (en) *	1916-02-24	1917-07-24	Vickers Ltd	Landing device for aeroplanes and hydroaeroplanes.
US1350414A (en) *	1918-04-01	1920-08-24	Jesse D Langdon	Hydraulic air-cushion
US2600060A (en) *	1947-11-03	1952-06-10	Lopes Antonio Augusto	Bumper for motor vehicles
US2841294A (en) *	1956-06-04	1958-07-01	Pacific Car & Foundry Co	Hydraulic draft gears
US3410416A (en) *	1967-05-11	1968-11-12	Pullman Inc	Hydraulic cushioning device for railway vehicles
US3499546A (en) *	1968-01-25	1970-03-10	Hydra Cushion Inc	Hydraulic cushion device
US3568856A (en) *	1969-07-22	1971-03-09	Pullman Inc	Hydraulic cushioning device for railway cars

1971
- 1971-11-30 SE SE15314/71A patent/SE367158B/en unknown
1972
- 1972-01-06 GB GB66572A patent/GB1375751A/en not_active Expired
- 1972-02-15 US US00226534A patent/US3797818A/en not_active Expired - Lifetime
- 1972-04-19 DE DE2218952A patent/DE2218952C3/en not_active Expired
- 1972-06-20 US US00264503A patent/US3774895A/en not_active Expired - Lifetime
- 1972-07-13 AU AU44542/72A patent/AU4454272A/en not_active Expired
- 1972-07-13 CA CA147,018A patent/CA953320A/en not_active Expired
- 1972-07-13 SE SE7209239A patent/SE373640B/en unknown
- 1972-07-14 ZA ZA724873A patent/ZA724873B/en unknown
- 1972-07-14 BR BR4707/72A patent/BR7204707D0/en unknown
- 1972-07-17 FR FR7226281A patent/FR2146083A5/en not_active Expired
- 1972-09-28 SU SU1830577A patent/SU562218A3/en active

Also Published As

Publication number	Publication date
DE2135000B2 (en)	1975-08-28
US3797818A (en)	1974-03-19
SE367158B (en)	1974-05-20
SU562218A3 (en)	1977-06-15
DE2218952A1 (en)	1973-10-31
CA953320A (en)	1974-08-20
BR7204707D0 (en)	1973-05-03
GB1375751A (en)	1974-11-27
DE2218952B2 (en)	1977-01-27
FR2146083A5 (en)	1973-02-23
DE2135000A1 (en)	1973-01-25
ZA724873B (en)	1973-10-31
SE373640B (en)	1975-02-10
DE2218952C3 (en)	1980-04-24
US3774895A (en)	1973-11-27

Publication	Publication Date	Title
CA961517A (en)	1975-01-21	Hydraulic shock-absorbing device
ZA729005B (en)	1973-09-26	Shock obsorber
ZA731061B (en)	1973-11-28	Shock absorber
GB1407747A (en)	1975-09-24	Shock absorber
GB1408096A (en)	1975-10-01	Hydraulic shock absorber
AU4454272A (en)	1974-01-17	Hydraulic impact absorbers
GB1397466A (en)	1975-06-11	Hydraulic fuse
BR7207700D0 (en)	1973-08-21	PRESSURE PULSE SHOCK ABSORBER
IL36331A0 (en)	1971-05-26	Telescopic shock absorbers
AU450496B2 (en)	1974-07-11	Shock absorber
GB1397635A (en)	1975-06-11	Hydraulic shock absorbers
CA979029A (en)	1975-12-02	Shock absorber
ZA727304B (en)	1973-06-27	Damper arrangement
AU6669874A (en)	1975-09-18	Shock absorbers
IT964733B (en)	1974-01-31	PLUNGER FOR HYDRAULIC SHOCK ABSORBERS
CA968818A (en)	1975-06-03	Shock absorber
AT322384B (en)	1975-05-26	SHOCK ABSORBERS
AR203566Q (en)	1975-09-22	SHOCK ABSORBER
GB1406433A (en)	1975-09-17	Shock absorbers
ZA705893B (en)	1972-04-26	Hydraulic shock absorbers
AU436478B2 (en)	1973-06-05	Impact hydraulic forming equipment
AU430390B2 (en)	1972-11-23	Impact hydraulic forming device
GB1364295A (en)	1974-08-21	Hammer
CA864979A (en)	1971-03-02	Shock absorbing structural member
CA868171A (en)	1971-04-13	Hydraulic damping means